Is it possible to choose to grant Combat Advantage to an enemy? In 4e, a defender grants CA when dazed, stunned, or blind, for example. Could not a player replicate these states willingly?
Because of ...

I took up middle-ages reemnactment for a hobby for a little while, the sort of fighting that you do with actual steel swords and spears, not the rubber versions used for LARP.
I was very surprised to ...

I'm curious about moving in threatened squares, say I'm a fighter and I'm already in a square fighting a monster with normal melee range and I move to the opposite side of him so that an ally can move ...

I think I'm understanding this correctly but want to make absolutely certain before I bring it to the table:
If a PC is grabbed by, in this case, a bear, and he has an ally on the other side of the ...

I'm about to start up a new 4e campaign, and my roommate is playing a melee rogue. They're going to have a warlord, so she took melee basic training(DEX) as a feat for melee attacks.
She's been going ...

I get that if you are hidden from an opponent, you gain combat advantage against them.
I get that if you make a point of it, and you're not getting surprised by the opposition, you should be able to ...